:root {
  --ink: #151513;
  --muted: #676763;
  --soft: #8c8c86;
  --line: #deded9;
  --line-strong: #c8c8c1;
  --surface: #f6f6f3;
  --white: #fcfcfb;
  --orange: #c3480e;
  --orange-dark: #a4380a;
  --green: #147a45;
  --max: 1200px;
  --pad: clamp(22px, 5vw, 68px);
  --radius: 16px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body {
  margin: 0;
  overflow-x: hidden;
  background: var(--white);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.no-scroll { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
img, video { display: block; max-width: 100%; height: auto; }
h1, h2, h3, h4, p { margin-top: 0; }
:focus-visible { outline: 3px solid rgba(233, 95, 27, .3); outline-offset: 3px; }

.skip-link { position: fixed; left: 16px; top: -64px; z-index: 300; border-radius: 6px; background: var(--ink); color: #fff; padding: 12px 16px; }
.skip-link:focus { top: 16px; }
.shell { width: 100%; max-width: calc(var(--max) + var(--pad) * 2); margin-inline: auto; padding-inline: var(--pad); }
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: max(var(--pad), calc((100vw - var(--max)) / 2));
  border-bottom: 1px solid rgba(222, 222, 217, .78);
  background: rgba(252, 252, 251, .93);
  backdrop-filter: blur(14px);
}
.brand { display: inline-flex; align-items: center; gap: 11px; min-height: 44px; font-size: 19px; font-weight: 760; letter-spacing: -.02em; }
.brand img { border-radius: 10px; box-shadow: 0 2px 8px rgba(74, 32, 9, .12); }
.main-nav { display: flex; align-items: center; gap: 28px; font-size: 14px; }
.main-nav > a:not(.nav-download) { position: relative; display: inline-flex; align-items: center; min-height: 44px; color: #454542; transition: color .18s ease; }
.main-nav > a:not(.nav-download)::after { content: ""; position: absolute; right: 0; bottom: 6px; left: 0; height: 1px; background: var(--orange); transform: scaleX(0); transition: transform .18s ease; }
.main-nav > a:hover, .main-nav > a[aria-current="page"] { color: var(--ink); }
.main-nav > a:hover::after, .main-nav > a[aria-current="page"]::after { transform: scaleX(1); }
.nav-download { display: inline-flex; align-items: center; min-height: 42px; padding: 0 18px; border-radius: 999px; background: var(--ink); color: #fff; transition: background .18s ease, transform .18s var(--ease); }
.nav-download:hover { background: #343430; transform: translateY(-1px); }
.nav-toggle { display: none; width: 44px; height: 44px; padding: 0; border: 0; background: none; }
.nav-toggle span { display: block; width: 21px; height: 1px; margin: 6px auto; background: var(--ink); transition: transform .18s ease; }
.preview-banner { position: sticky; top: 72px; z-index: 90; padding: 10px; border-bottom: 1px solid #f1bf9f; background: #fff3ea; color: #80320e; text-align: center; font-size: 13px; }
.preview-banner a { text-decoration: underline; }

.loading { min-height: 70vh; display: grid; place-content: center; gap: 14px; color: var(--muted); text-align: center; }
.loading span { width: 24px; height: 24px; margin: auto; border: 2px solid var(--line); border-top-color: var(--orange); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
#main > section { animation: reveal .48s var(--ease) both; }
@keyframes reveal { from { opacity: 0; transform: translateY(8px); } }

.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 20px; color: var(--muted); font-size: 12px; font-weight: 700; letter-spacing: .05em; }
.eyebrow::before { content: ""; width: 24px; height: 1px; background: var(--orange); }
.hero { padding-top: clamp(52px, 7vw, 94px); overflow: hidden; }
.hero-copy { max-width: 1120px; margin-inline: auto; text-align: center; }
.hero h1 { max-width: 1120px; margin: 0 auto 26px; font-size: clamp(50px, 6.1vw, 78px); font-weight: 760; letter-spacing: -.058em; line-height: 1.02; white-space: pre-line; text-wrap: pretty; line-break: strict; word-break: normal; }
.hero .lead { max-width: 760px; margin: 0 auto; color: #464642; font-size: clamp(18px, 1.7vw, 22px); letter-spacing: -.018em; line-height: 1.65; }
.hero-actions, .cta-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.hero-actions { justify-content: center; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 21px; border: 1px solid var(--ink); border-radius: 999px; background: transparent; color: var(--ink); font-size: 14px; font-weight: 720; line-height: 1; transition: color .18s ease, background .18s ease, border-color .18s ease, transform .18s var(--ease); }
.button svg, .showcase-link svg { width: 16px; height: 16px; stroke-width: 1.5; transition: transform .18s var(--ease); }
.button:hover { transform: translateY(-1px); }
.button:hover svg, .showcase-link:hover svg { transform: translateX(3px); }
.button.dark { background: var(--ink); color: #fff; }
.button.dark:hover { background: #343430; }
.button.orange { border-color: var(--orange); background: var(--orange); color: #fff; }
.button.orange:hover { border-color: var(--orange-dark); background: var(--orange-dark); }
.button.light { border-color: var(--line-strong); background: var(--white); }
.button.light:hover { border-color: var(--ink); }
.button.text { border-color: transparent; padding-inline: 10px; }
.button.disabled { cursor: not-allowed; border-color: var(--line); background: var(--surface); color: var(--soft); }
button.button:disabled { cursor: wait; opacity: .62; }
.platform-note { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 18px; margin-top: 17px; color: var(--muted); font-size: 12px; }
.platform-note span + span::before { content: "·"; margin-right: 18px; color: var(--line-strong); }
.product-stage { position: relative; margin-top: clamp(42px, 5.5vw, 72px); padding: clamp(12px, 2vw, 24px); border: 1px solid #e5e5e0; border-bottom: 0; border-radius: 24px 24px 0 0; background: var(--surface); }
.stage-label { display: flex; justify-content: space-between; padding: 0 2px 12px; color: var(--muted); font-size: 11px; }
.product-stage img, .product-stage video { width: 100%; height: auto; border: 1px solid rgba(0, 0, 0, .11); border-radius: 11px; box-shadow: 0 22px 54px rgba(22, 22, 18, .12); }

.statement { display: grid; grid-template-columns: minmax(160px, .55fr) minmax(0, 1.45fr); gap: clamp(36px, 7vw, 100px); padding-block: clamp(92px, 12vw, 160px); border-top: 1px solid var(--line); }
.section-mark, .showcase-index { color: var(--orange-dark); font-size: 12px; font-weight: 700; letter-spacing: .04em; }
.statement h2 { max-width: 880px; margin-bottom: 28px; font-size: clamp(38px, 4.6vw, 62px); letter-spacing: -.05em; line-height: 1.08; text-wrap: balance; }
.statement p { max-width: 680px; margin-bottom: 0; color: var(--muted); font-size: 17px; line-height: 1.8; }
.feature-showcase { padding-bottom: clamp(80px, 10vw, 130px); }
.showcase-row { display: grid; grid-template-columns: minmax(260px, .78fr) minmax(0, 1.22fr); align-items: center; gap: clamp(40px, 7vw, 96px); padding-block: clamp(72px, 9vw, 116px); border-top: 1px solid var(--line); }
.showcase-row:nth-child(even) { grid-template-columns: minmax(0, 1.22fr) minmax(260px, .78fr); }
.showcase-row:nth-child(even) .showcase-copy { order: 2; }
.showcase-row:nth-child(even) .showcase-media { order: 1; }
.showcase-index { margin-bottom: 22px; }
.showcase-copy h2 { margin-bottom: 20px; font-size: clamp(36px, 4.2vw, 58px); letter-spacing: -.052em; line-height: 1.04; white-space: pre-line; text-wrap: pretty; line-break: strict; word-break: normal; }
.showcase-copy .summary { margin-bottom: 0; font-size: clamp(18px, 1.8vw, 21px); letter-spacing: -.02em; line-height: 1.55; }
.showcase-copy .body { margin-top: 15px; margin-bottom: 0; color: var(--muted); line-height: 1.75; }
.showcase-link { display: inline-flex; align-items: center; gap: 7px; min-height: 44px; margin-top: 20px; font-size: 14px; font-weight: 730; }
.showcase-link svg { color: var(--orange); }
.showcase-media { min-width: 0; padding: clamp(14px, 2.5vw, 28px); border: 1px solid #e8e8e3; border-radius: var(--radius); background: var(--surface); }
.showcase-media img, .showcase-media video { width: 100%; border: 1px solid #dfdfda; border-radius: 9px; }
.workflow-card { min-height: 410px; padding: clamp(26px, 4vw, 48px); border-radius: 10px; background: #fff; border: 1px solid var(--line); display: flex; flex-direction: column; }
.workflow-label { color: var(--muted); font-size: 12px; }
.workflow-card ol { display: grid; gap: 0; margin: auto 0; padding: 0; list-style: none; }
.workflow-card li { display: grid; grid-template-columns: 44px 1fr; align-items: center; gap: 16px; min-height: 72px; border-bottom: 1px solid var(--line); }
.workflow-card li:first-child { border-top: 1px solid var(--line); }
.workflow-card li span { color: var(--orange-dark); font-size: 11px; }
.workflow-card li strong { font-size: clamp(17px, 2vw, 22px); letter-spacing: -.025em; }
.workflow-card p { margin: 22px 0 0; color: var(--orange-dark); font-size: 13px; font-weight: 700; }

.band { padding-block: clamp(82px, 10vw, 130px); background: var(--ink); color: #fff; }
.band-grid { display: grid; grid-template-columns: minmax(160px, .55fr) minmax(0, 1.45fr); gap: clamp(36px, 7vw, 100px); }
.band .eyebrow { color: #aaa9a3; }
.band h2 { margin-bottom: 24px; font-size: clamp(42px, 5.3vw, 68px); letter-spacing: -.055em; line-height: 1; }
.band p { max-width: 720px; color: #bdbdb7; font-size: 17px; line-height: 1.8; }
.platforms { display: flex; gap: 10px; margin-top: 30px; }
.platform-chip { padding: 10px 16px; border: 1px solid #4c4c48; border-radius: 999px; font-size: 13px; }
.purchase { display: grid; grid-template-columns: 1.35fr .65fr; align-items: end; gap: clamp(48px, 8vw, 112px); padding-block: clamp(90px, 12vw, 155px); }
.purchase h2 { margin-bottom: 0; font-size: clamp(44px, 5.5vw, 70px); letter-spacing: -.058em; line-height: 1; white-space: pre-line; text-wrap: pretty; line-break: strict; word-break: normal; }
.purchase-meta { padding-top: 22px; border-top: 1px solid var(--line); }
.purchase-meta strong { display: block; font-size: 21px; }
.purchase-meta p { margin: 12px 0 24px; color: var(--muted); line-height: 1.7; }
.latest, .faq { padding-block: clamp(76px, 9vw, 112px); border-top: 1px solid var(--line); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 40px; }
.section-head.compact h2 { margin-bottom: 0; font-size: clamp(36px, 4.5vw, 56px); letter-spacing: -.05em; line-height: 1; }
.section-head .eyebrow { margin-bottom: 14px; }
.section-head .showcase-link { margin-top: 0; }
.update-row { display: grid; grid-template-columns: 130px 1fr auto; align-items: start; gap: 30px; padding: 28px 0; border-top: 1px solid var(--line); transition: background .18s ease; }
.update-row:hover { background: var(--surface); box-shadow: 0 0 0 12px var(--surface); }
.update-version { font-size: 23px; font-weight: 750; letter-spacing: -.03em; }
.update-row h3 { margin-bottom: 8px; font-size: 20px; }
.update-row p { margin-bottom: 0; color: var(--muted); line-height: 1.6; }
.update-date { color: var(--muted); font-size: 12px; white-space: nowrap; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item h3 { margin: 0; }
.faq-item button { width: 100%; min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 20px 0; border: 0; background: none; text-align: left; font-size: 18px; font-weight: 680; cursor: pointer; }
.faq-item button i, .help-article-toggle > i { position: relative; flex: 0 0 22px; width: 22px; height: 22px; }
.faq-item button i::before, .faq-item button i::after, .help-article-toggle > i::before, .help-article-toggle > i::after { content: ""; position: absolute; top: 10px; left: 4px; width: 14px; height: 1px; background: var(--orange); transition: transform .22s var(--ease); }
.faq-item button i::after, .help-article-toggle > i::after { transform: rotate(90deg); }
.faq-item.open button i::after, .help-article.open .help-article-toggle > i::after { transform: rotate(0); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s var(--ease); }
.faq-answer p { max-width: 760px; margin-bottom: 0; padding: 0 0 26px; color: var(--muted); line-height: 1.8; }
.faq-item.open .faq-answer { max-height: 360px; }
.final-cta { display: grid; grid-template-columns: 1.5fr .5fr; align-items: end; gap: 40px; margin-bottom: 72px; padding-block: clamp(46px, 6vw, 76px); border-radius: 18px; background: var(--orange); color: #fff; }
.final-cta::before { content: ""; position: absolute; }
.final-cta .eyebrow { color: #ffe6d7; }
.final-cta .eyebrow::before { background: #fff; }
.final-cta h2 { max-width: 800px; margin-bottom: 18px; font-size: clamp(38px, 4.5vw, 58px); letter-spacing: -.05em; line-height: 1.03; }
.final-cta p { margin-bottom: 0; color: #ffe8dc; line-height: 1.7; }
.final-cta .cta-actions { justify-content: flex-end; }
.site-footer { width: 100%; max-width: calc(var(--max) + var(--pad) * 2); display: grid; grid-template-columns: 1fr auto; gap: 30px; margin-inline: auto; padding: 42px var(--pad) 60px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.footer-links a { color: #444440; }
.footer-links a:hover { color: var(--orange-dark); }
.footer-links span { color: #9b9b95; }
.footer-contact { padding: 0; border: 0; background: none; color: #444440; font: inherit; cursor: pointer; }
.footer-contact:hover { color: var(--orange-dark); }

.buy-layout { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr); gap: clamp(40px, 8vw, 110px); align-items: start; }
.buy-layout > * { min-width: 0; }
.price-list { border-top: 1px solid var(--line); }
.price-list article { display: flex; justify-content: space-between; gap: 30px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.price-list h2 { margin: 0 0 8px; font-size: 23px; }
.price-list p { margin: 0; color: var(--muted); }
.price-list article > strong { font-size: 26px; white-space: nowrap; }
.discount-note { padding: 18px 20px; background: var(--surface); color: var(--muted); line-height: 1.7; }
.buy-aside { position: sticky; top: 110px; padding: 30px; border: 1px solid var(--line); border-radius: 12px; }
.buy-aside h2 { margin-bottom: 20px; font-size: 26px; }
.buy-aside ol { margin: 0 0 26px; padding-left: 20px; color: var(--muted); line-height: 1.9; }
.buy-aside .button { width: 100%; }
.buy-fineprint { margin: 18px 0 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.buy-details { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 72px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.buy-details article { padding: 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.buy-details h2 { margin-bottom: 18px; font-size: 22px; }
.buy-details p, .buy-details ul { margin-bottom: 0; color: var(--muted); line-height: 1.8; }
.buy-details ul { padding-left: 18px; }
.legal-content { max-width: 860px; padding-block: 64px 120px; color: var(--muted); line-height: 1.9; }
.legal-content h3 { margin: 44px 0 14px; color: var(--ink); font-size: 24px; }
.legal-content p, .legal-content ul { margin-bottom: 18px; }
.contact-modal[hidden] { display: none; }
.contact-modal { position: fixed; inset: 0; z-index: 500; }
.contact-backdrop { position: absolute; inset: 0; display: grid; place-items: center; padding: 22px; background: rgba(20, 20, 18, .62); backdrop-filter: blur(5px); }
.contact-card { position: relative; width: min(460px, 100%); max-height: calc(100vh - 44px); overflow: auto; padding: 36px; border-radius: 16px; background: #fff; box-shadow: 0 30px 80px rgba(0,0,0,.25); }
.contact-card h2 { margin-bottom: 12px; font-size: 32px; }
.contact-card > p:not(.eyebrow) { color: var(--muted); line-height: 1.7; }
.contact-close { position: absolute; top: 12px; right: 14px; width: 40px; height: 40px; border: 0; background: none; font-size: 28px; cursor: pointer; }
.qr-zoom { display: grid; gap: 10px; margin-top: 20px; color: var(--muted); text-align: center; font-size: 12px; }
.qr-zoom img { width: min(280px, 100%); aspect-ratio: 1; object-fit: contain; margin: auto; border: 1px solid var(--line); border-radius: 10px; }
.qr-pending { margin-top: 20px; padding: 42px 20px; background: var(--surface); color: var(--muted); text-align: center; }
.contact-email { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--line); }
.contact-email a { overflow-wrap: anywhere; font-weight: 700; }
.contact-email button { flex: 0 0 auto; padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; background: #fff; cursor: pointer; }

.page-hero { padding-block: clamp(64px, 8vw, 104px); border-bottom: 1px solid var(--line); }
.page-hero h1 { max-width: 1040px; margin-bottom: 0; font-size: clamp(48px, 6.2vw, 78px); letter-spacing: -.06em; line-height: 1.02; text-wrap: balance; }
.page-hero > p:last-child { max-width: 700px; margin: 26px 0 0; color: var(--muted); font-size: clamp(17px, 1.7vw, 21px); line-height: 1.65; }
.page-hero > p:last-child { overflow-wrap: anywhere; }
.page-content { padding-block: clamp(60px, 7vw, 90px) clamp(90px, 11vw, 140px); }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); margin: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.feature-card { min-height: 320px; display: flex; flex-direction: column; padding: clamp(30px, 4vw, 50px); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feature-card .number { color: var(--orange-dark); font-size: 11px; }
.feature-card h2 { margin: 46px 0 12px; font-size: clamp(27px, 3vw, 34px); letter-spacing: -.04em; }
.feature-card .feature-summary { margin-bottom: 12px; color: var(--ink); font-size: 17px; }
.feature-card p:not(.feature-summary) { margin-bottom: 0; color: var(--muted); line-height: 1.72; }
.feature-card .category { margin-top: auto; padding-top: 28px; color: var(--muted); font-size: 11px; }
.download-grid { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); }
.download-card { min-width: 0; padding: clamp(30px, 4.5vw, 56px); }
.download-card + .download-card { border-left: 1px solid var(--line); }
.platform-mark { width: 50px; height: 50px; display: grid; place-content: center; border: 1px solid var(--line); border-radius: 50%; font-size: 12px; font-weight: 720; }
.download-title { display: flex; align-items: center; gap: 12px; margin: 42px 0 6px; }
.download-title h2 { margin: 0; font-size: 38px; letter-spacing: -.045em; }
.download-title span { padding: 4px 8px; border-radius: 999px; background: #fff0e7; color: var(--orange-dark); font-size: 11px; font-weight: 700; }
.download-card .version { color: var(--orange-dark); font-weight: 700; }
.download-meta { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 12px; margin-block: 26px; padding-block: 26px; border-block: 1px solid var(--line); font-size: 13px; }
.download-meta dt { color: var(--muted); }
.download-meta dd { min-width: 0; margin: 0; overflow-wrap: anywhere; }
.notice { margin-top: 24px; padding: 18px 20px; border-left: 3px solid var(--orange); background: var(--surface); font-size: 13px; line-height: 1.7; }
.notice p { margin: 5px 0 0; }
.page-notice { margin: 0 0 24px; }
.empty-state { padding: 46px; background: var(--surface); color: var(--muted); text-align: center; }
.empty-state p { margin: 10px 0 22px; }
.load-error { max-width: 680px; margin: 80px auto; }
.updates-list { border-top: 1px solid var(--line); }
.update-detail { display: grid; grid-template-columns: 170px 1fr; gap: 38px; padding: 48px 0; border-bottom: 1px solid var(--line); }
.update-detail h2 { margin-bottom: 14px; font-size: 40px; letter-spacing: -.045em; }
.update-detail > div > h3 { margin-bottom: 18px; font-size: 25px; letter-spacing: -.03em; }
.update-detail > div > p { color: var(--muted); line-height: 1.75; }
.update-detail .meta { color: var(--muted); font-size: 13px; line-height: 1.8; }
.change-columns { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 30px; }
.change-columns h4 { color: var(--orange-dark); font-size: 13px; }
.change-columns ul { margin: 0; padding-left: 18px; color: var(--muted); line-height: 1.8; }
.change-columns p { color: var(--soft); }
.help-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: clamp(44px, 7vw, 86px); }
.help-categories { position: sticky; top: 100px; align-self: start; }
.help-categories button { width: 100%; min-height: 44px; display: block; padding: 10px 12px; border: 0; border-left: 2px solid transparent; background: none; color: var(--muted); text-align: left; cursor: pointer; }
.help-categories button:hover { color: var(--ink); }
.help-categories button.active { border-left-color: var(--orange); background: var(--surface); color: var(--ink); font-weight: 700; }
.help-article { border-top: 1px solid var(--line); }
.help-article-toggle { width: 100%; min-height: 126px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 24px; padding: 24px 0; border: 0; background: none; text-align: left; cursor: pointer; }
.help-article-toggle span { display: grid; }
.help-article-toggle small { margin-bottom: 8px; color: var(--orange-dark); font-size: 11px; font-style: normal; }
.help-article-toggle strong { font-size: 24px; letter-spacing: -.03em; }
.help-article-toggle em { margin-top: 8px; color: var(--muted); font-style: normal; line-height: 1.6; }
.article-body { display: none; max-width: 760px; padding: 0 0 32px; color: var(--muted); line-height: 1.85; }
.help-article.open .article-body { display: block; }
.article-body h3 { margin: 8px 0 12px; color: var(--ink); font-size: 18px; }
.article-body p:last-child, .article-body ul:last-child { margin-bottom: 0; }
.feedback-layout { display: grid; grid-template-columns: minmax(0, .72fr) minmax(440px, 1.28fr); gap: clamp(54px, 9vw, 124px); }
.feedback-intro h2 { margin-bottom: 24px; font-size: clamp(36px, 4.4vw, 56px); letter-spacing: -.05em; line-height: 1.06; text-wrap: balance; }
.feedback-intro p { color: var(--muted); line-height: 1.8; }
.feedback-form { padding-top: 22px; border-top: 1px solid var(--ink); }
.required-note { margin-bottom: 24px; color: var(--muted); font-size: 12px; }
.required-note span, .field label > span { color: var(--orange-dark); }
.field { margin-bottom: 22px; }
.field-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field label { display: block; margin-bottom: 9px; font-size: 13px; font-weight: 680; }
.field small { margin-left: 4px; color: var(--muted); font-weight: 400; }
.field input, .field textarea, .field select { width: 100%; min-height: 48px; padding: 13px 14px; border: 1px solid var(--line-strong); border-radius: 7px; outline: none; background: #fff; color: var(--ink); transition: border-color .18s ease, box-shadow .18s ease; }
.field input:hover, .field textarea:hover, .field select:hover { border-color: #aaa9a2; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--orange); box-shadow: 0 0 0 3px rgba(233, 95, 27, .11); }
.field textarea { min-height: 170px; resize: vertical; }
.honeypot { position: absolute; left: -10000px; }
.form-message { min-height: 24px; margin-top: 16px; line-height: 1.6; }
.form-message.success { color: var(--green); }
.form-message.error { color: #b52c20; }

@media (max-width: 900px) {
  .site-header { height: 66px; background: var(--white); backdrop-filter: none; }
  .preview-banner { top: 66px; }
  .nav-toggle { display: block; }
  .main-nav { position: fixed; inset: 66px 0 0; z-index: 110; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 24px var(--pad) 40px; background: var(--white); font-size: 22px; }
  .main-nav.open { display: flex; }
  .main-nav > a:not(.nav-download) { min-height: 62px; border-bottom: 1px solid var(--line); }
  .main-nav > a:not(.nav-download)::after { display: none; }
  .main-nav .nav-download { justify-content: center; min-height: 50px; margin-top: 20px; }
  .statement, .band-grid, .purchase, .final-cta, .feedback-layout, .buy-layout, .buy-details { grid-template-columns: 1fr; }
  .buy-aside { position: static; }
  .showcase-row, .showcase-row:nth-child(even) { grid-template-columns: 1fr; gap: 36px; }
  .showcase-row:nth-child(even) .showcase-copy, .showcase-row:nth-child(even) .showcase-media { order: initial; }
  .final-cta .cta-actions { justify-content: flex-start; }
  .feature-grid, .download-grid { grid-template-columns: 1fr; }
  .download-card + .download-card { border-top: 1px solid var(--line); border-left: 0; }
  .update-detail { grid-template-columns: 1fr; }
  .help-layout { grid-template-columns: 1fr; gap: 34px; }
  .help-categories { position: static; display: flex; gap: 8px; overflow-x: auto; padding-bottom: 8px; scrollbar-width: thin; }
  .help-categories button { width: auto; min-width: max-content; padding: 10px 14px; border: 1px solid var(--line); border-radius: 999px; }
  .help-categories button.active { border-color: var(--ink); background: var(--ink); color: #fff; }
}

@media (max-width: 600px) {
  :root { --pad: 20px; }
  .brand img { width: 34px; height: 34px; }
  .hero { padding-top: 46px; }
  .hero h1 { font-size: clamp(38px, 11vw, 49px); line-height: 1.06; }
  .hero h1, .showcase-copy h2, .purchase h2 { white-space: normal; }
  .hero .lead { font-size: 17px; line-height: 1.65; }
  .hero-actions .button, .cta-actions .button { width: 100%; }
  .platform-note { gap: 6px 12px; }
  .platform-note span + span::before { margin-right: 12px; }
  .product-stage { margin-inline: -20px; border-right: 0; border-left: 0; border-radius: 0; padding: 10px; }
  .stage-label { padding-inline: 2px; }
  .statement { gap: 26px; padding-block: 78px; }
  .statement h2, .showcase-copy h2 { font-size: 36px; }
  .showcase-row { padding-block: 64px; }
  .showcase-media { margin-inline: -8px; padding: 10px; }
  .workflow-card { min-height: 350px; padding: 24px; }
  .band { padding-block: 74px; }
  .purchase { padding-block: 78px; }
  .section-head { align-items: flex-start; flex-direction: column; margin-bottom: 30px; }
  .section-head .showcase-link { margin-top: -8px; }
  .update-row { grid-template-columns: 1fr; gap: 10px; }
  .update-date { margin-top: 4px; }
  .final-cta { margin-bottom: 54px; border-radius: 0; }
  .site-footer { grid-template-columns: 1fr; padding-bottom: 42px; }
  .page-hero { padding-block: 54px 60px; }
  .page-hero h1 { font-size: 43px; line-height: 1.05; }
  .page-hero > p:last-child { margin-top: 20px; font-size: 17px; }
  .page-content { padding-block: 48px 90px; }
  .feature-grid, .download-grid { margin-inline: -20px; border-right: 0; border-left: 0; }
  .feature-card { min-height: 284px; border-right: 0; }
  .download-meta { grid-template-columns: 1fr; gap: 5px; }
  .download-meta dd { margin-bottom: 8px; }
  .change-columns { grid-template-columns: 1fr; }
  .help-article-toggle { min-height: 118px; }
  .help-article-toggle strong { font-size: 21px; }
  .field-pair { grid-template-columns: 1fr; gap: 0; }
  .contact-card { padding: 30px 22px 24px; }
  .contact-email { align-items: stretch; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}